Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information resource » information resources, information source, information sources
technologie der » technologie de, technologien des, technologies de
der information » insider information, sector information, labor information
developing eq » developing e, developing egg, developing _
3 developing » 3 development
resource de » ressource de, resource e, resource gdp
de personal » der personal, des personal, de persona
eq africa » em africa, eu africa, 1 africa
costs 3 » costs _, costs 4, costs a

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologie der information resource de personal communication costs 3 developing eq africa.*.